Page 192 - Biaxial Multiaxial Fatigue and Fracture

I? BONACUSE AND S. KALLURI

1 .o

N
z, 0.8
SN
0.6 -

0.4 - N,, = 31 582
N, = 1 751

- A Haynes 188
0.2
-- DCA
0.0 I , I , I , 1 . w
0.0 0.2 0.4 0.6 0.8 1 .o
Applied Life Fraction, n,/N,
(c) axialltorsion

Q)
5
.-
u)
c
.-
C
a
E
a

0.0 0.2 0.4 0.6 0.8 1 .o
Applied Life Fraction, n,/N,

(d) torsion/axial

Fig. 3. Damage interaction plots for: (a) axiallaxid, (b) torsiodtorsion, (c) axial/torsion, and
(d) torsiodaxial cumulative fatigue experiments